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Geologic Formations

Published by opendata.maryland.gov | State of Maryland | Catalog Last Checked: September 10, 2026 at 06:48 PM | Dataset Last Updated: June 17, 2026
This file of geologic unit polygons is for educational use. There are known errors and omissions. The file is part of a recompilation of the 1968 Geologic Map of Maryland. DATA is for educational use only - there are known errors and omissions. These data are only valid for the intended use. The user is responsible for the outcome of the data resulting from use of this product. Neither the licensor, nor the owner of these data makes any warranties of merchantability or fitness for a particular purpose of use. Disclaimer for Towson University, CGIS and for Martin F. Schmidt, Jr. ("GIS FILE ORIGINATORS"): THE LICENSEE EXPRESSLY ACKNOWLEDGES THAT THE DATA CONTAIN SOME NONCONFORMITIES, DEFECTS, OR ERRORS. GIS FILE ORIGINATORS DO NOT WARRANT THAT THE DATA WILL MEET LICENSEE'S NEEDS OR EXPECTATIONS; THAT THE USE OF THE DATA WILL BE UNINTERRUPTED; OR THAT ALL NONCONFORMITIES, DEFECTS, OR ERRORS CAN OR WILL BE CORRECTED. GIS FILE ORIGINATORS ARE NOT INVITING RELIANCE ON THIS DATA, AND THE LICENSEE SHOULD ALWAYS VERIFY ACTUAL DATA. THE DATA AND RELATED MATERIALS CONTAIN THEREIN ARE PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR USE. Acknowledgement of Towson University Center for Geographic Information Sciences & Martin F. Schmidt, Jr., for the educational GIS file and credit to the original authors/compilers of the source map are expected in products derived from this data.

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
{
  "fn": "Open Data Administrator",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:no-reply@opendata.maryland.gov"
}
description This file of geologic unit polygons is for educational use. There are known errors and omissions. The file is part of a recompilation of the 1968 Geologic Map of Maryland. DATA is for educational use only - there are known errors and omissions. These data are only valid for the intended use. The user is responsible for the outcome of the data resulting from use of this product. Neither the licensor, nor the owner of these data makes any warranties of merchantability or fitness for a particular purpose of use. Disclaimer for Towson University, CGIS and for Martin F. Schmidt, Jr. ("GIS FILE ORIGINATORS"): THE LICENSEE EXPRESSLY ACKNOWLEDGES THAT THE DATA CONTAIN SOME NONCONFORMITIES, DEFECTS, OR ERRORS. GIS FILE ORIGINATORS DO NOT WARRANT THAT THE DATA WILL MEET LICENSEE'S NEEDS OR EXPECTATIONS; THAT THE USE OF THE DATA WILL BE UNINTERRUPTED; OR THAT ALL NONCONFORMITIES, DEFECTS, OR ERRORS CAN OR WILL BE CORRECTED. GIS FILE ORIGINATORS ARE NOT INVITING RELIANCE ON THIS DATA, AND THE LICENSEE SHOULD ALWAYS VERIFY ACTUAL DATA. THE DATA AND RELATED MATERIALS CONTAIN THEREIN ARE PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR USE. Acknowledgement of Towson University Center for Geographic Information Sciences & Martin F. Schmidt, Jr., for the educational GIS file and credit to the original authors/compilers of the source map are expected in products derived from this data.
distribution 
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identifier https://opendata.maryland.gov/api/views/d4s2-75bm
issued 2025-07-22
keyword 
[
  "actual data",
  "corrected gis",
  "doit",
  "errors gis",
  "file originators",
  "gis file",
  "maryland",
  "maryland data",
  "maryland open data",
  "nonconformities defects",
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]
landingPage https://opendata.maryland.gov/d/d4s2-75bm
modified 2026-06-17
publisher 
{
  "name": "opendata.maryland.gov",
  "@type": "org:Organization"
}
title Geologic Formations

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